package com.gdut.gulimall.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @author Drifiter
 * @create 2021-10-29 20:32
 */
@Configuration
public class GuliFeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                //1、RequestContextHolder拿 到刚进来的这个请求
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();

                if (attributes != null) {
                    HttpServletRequest request = attributes.getRequest();   //老请求

                    if (request != null) {
                        //同步请求头数据，Cookie
                        String cookie = request.getHeader("Cookie");
                        //给新请求同步了老请求的cookie
                        template.header("Cookie", cookie);
                    }
                }


            }
        };
    }

}
